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Image of the Day - 20

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“Fossil Arcologies”? / Ariadnes Colles Region / Mars

Ariadnes Colles is on the opposite side of Mars from the more familiar Cydonia region. It is a place where several hundred feet of sediment settled, was "cemented" into rock, and which has now been almost entirely eroded away again. This erosion is exposing hundreds of unusual pre-existing hills. What is unusual about these residual hills is that criss-crossing grids are emerging from their soft sedimentary rock as it recedes with erosion. The cells within these grids range in size from large rooms/small houses to larger buildings. There is a very architectural and structural feel to much of this. Could a vast city of arcologies have been crushed under layers of rock and then been “Fossilised”? (Arcologies are massive self contained habitations that can house substantial populations – a town or city contained in a single building). For much more imagery and analysis of the Ariadnes “fossil arcologies” click this "stargate" to view a four part article about them µµµ

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